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In-Reply-To: <OF60172FE4.0D25A226-ONC1256FBE.00337955-C1256FBE.0035CF09@de.ibm.com>
Subject: Re: starvation in pthread_once?
To: Ross Johnson <rpj@callisto.canberra.edu.au>
Cc: Pthreads-Win32 list <pthreads-win32@sources.redhat.com>
Message-ID: <OF322CFBF5.EC73CEFF-ONC1256FBE.003646C6-C1256FBE.003671FF@de.ibm.com>
From: Alexander Terekhov <TEREKHOV@de.ibm.com>
Date: Tue, 08 Mar 2005 09:56:00 -0000
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X-SW-Source: 2005/txt/msg00033.txt.bz2


> DCSI-TLS: (__declspec(thread) for control variable; DLL issues
> aside for a moment)
>
>   if (!once_control) {
>     named_mutex::guard guard(&once_control);
>     if (!once_control) {
>       <init>
>       once_control = true;
>     }
>   }

Sorry, I meant:

  if (!once_control) {
    named_mutex::guard guard(&once_control);
    if (!once_control2) {
      <init>
      once_control2 = true;
    }
    once_control = true;
  }

where once_control2 is a non-TLS flag.

regards,
alexander.